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Creating an UDF of a simple hole


New member
I am trying to create an UDF of a hole. I want to have a datum plane and an axis (or point) as references for 'user picks'. And I want the hole to be created in such a way that the direction of the hole must be always thro' the negative side of the picked datum plane. And I don't want to 'flip' directions at the time of placing the UDF and just accept defaults. Is it possible to create an UDF like this?

I don't know how to control the direction, especially when you place the hole on a datum plane. It is easier when you place it on surfaces as Pro/E can easily figure the material side. I am even flexible about the number of picking references also.

Can someone pls. help? Thanks.